A manager who works on the shop floor and may directly interact with customers. / One who manages the floor of a dance, club, or other gathering of people.

(idiomatic, slang) A manager whose presence is rare and usually motivated by problems

A manager who dictates rather than delegates job functionality to those they manage. A manager who is excessively concerned with specifying the details of how a task should be done rather than managing the big picture and allowing subordinates to do their job.

plural of micro manager

A person responsible for the organization of a stage production, and who is in charge of the stage during the performance

A manager of a sports team who also plays as a member of the team.

plural of player-manager

(software) A computer program responsible for installing, updating and configuring other software, maintaining an index of installed programs and resolving their dependencies.

plural of stage manager

plural of package manager